save project

diy2.py

@@ -2,12 +2,12 @@ username = "python"
 userpassword = "123456"
 while True:
     name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-        break
     if name!=username:
         print("用户名错误!请重新输入")
+        break
+    password = input("请输入密码:")
     if password!=userpassword:
         print("密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+    if name == username and password == userpassword:
+        print("登录成功!")
+        print("欢迎来到贝尔编程!")
\ No newline at end of file